क�दर य भ म लबो जल संसाधन, नद� �वकास और गंगा संर�ण मंताला भारत सरकार Central Ground Water Board Ministry of Water Resources, River Development and Ganga Rejuvenation Government of India Report on AQUIFER MAPPING AND MANAGEMENT PLAN Ramdurg Taluk, Belgaum District, Karnataka द��ण पिचमी �ेत, ब�गलोर South Western Region,Bengaluru Draft Report
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Ramdurg Taluk, Belgaum District, Karnatakacgwb.gov.in/AQM/NAQUIM_REPORT/karnataka/Ramdurg.pdfRAMDURG TALUK AQUIFER MAPS AND MANAGEMENT PLANS, BELGAUM DISTRICT, KARNATAKA STATE CONTENTS
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क� द्र�य भू�म �ल बो
जल ससंाधन, नद� �वकास और गगंा सरं�ण मतंाला
भारत सरकार Central Ground Water Board
Ministry of Water Resources, River Development and Ganga Rejuvenation
Government of India
Report on
AQUIFER MAPPING AND MANAGEMENT PLAN
Ramdurg Taluk, Belgaum District, Karnataka
द��ण पिश्चमी �ेत, ब�गलोर South Western Region,Bengaluru
Draft Report
FOR OFFICIAL USE ONLY
Government of India Ministry of Water Resources, River Development
& Ganga Rejuvenation Central Ground Water Board
RAMDURG TALUK AQUIFER MAPS AND MANAGEMENT PLANS, BELGAUM DISTRICT, KARNATAKA STATE
By
Dr. M. A. FAROOQI Scientist ‘D’
Central Ground Water Board South Western Region
Bangalore March 2017
RAMDURG TALUK AQUIFER MAPS AND MANAGEMENT PLANS, BELGAUM DISTRICT, KARNATAKA STATE
CONTENTS
Sl. No. Chapter Title Page
Nos. 1 Salient Information 1
2 Aquifer Disposition 6
3
Ground Water Resource, Extraction, Contamination and other Issues
7
4 Ground Water Resource Enhancement 10
5 Demand Side Interventions 11
1
RAMDURG TALUK AQUIFER MAPS AND MANAGEMENT PLANS, BELGAUM DISTRICT, KARNATAKA STATE
1. SALIENT INFORMATION
Name of the taluk : RAMDURG District : Belgaum State : Karnataka
Area : 1,223 sq.km.
Population : 2,58,527
Annual Normal Rainfall : 545 mm
1.1 Aquifer management study area
Aquifer mapping studies were carried out in Ramdurg taluk, Belgaum district of
Karnataka, covering an area of 1,387 sq.kms under National Aquifer Mapping Project. Ramdurg
taluk of Belgaum district is located between north latitude 15o46’46.9” and16o12’36.0” & east
longitude 75o04’16.3” and 75o27’36.7”, and is covered in parts of Survey of India Toposheet
Nos. 48M/1, 48M/5, 47P/4 and 47P/8. Ramdurg taluk is bounded by Mudhol and Gokak
taluks on north, Nargund and Soundatti taluks on south, Badami taluk on east and Saundatti
taluk on western side. Location map of Ramdurg taluk of Belgaum district is presented in
Fig-1.
RAMDURG TALUK
Fig 1: Location Map of Ramdurg taluk, Belgaum district, Karnataka
Ramdurg Taluka, with population of about 2.6 lakh is the second least populous and
economically quite backward taluk of Belgaum district. Taluk administration of Ramdurg is
divided into 4 Hoblies and 37 Gram Panchayaths. Ramdurg is the largest town in taluk, which
is the taluk and district headquarter also. There are 115 villages in the taluk, out of which only
one village is uninhabited. Out of these 115 villages in the taluk, Katakol is the most populous
2
village with population of about 13 thousand and Gudagumnal is the least populous village with
population of 153. Area wise, Katakol is the biggest village in the taluk with an area of 58
km2 and Maradagi is the smallest with 1 km2 area.
1.2 Population
According to 2011 census, the population in Ramdurg taluk is 2,58,527 of which rural
population is 2,23,727 constituting about 87%, and the urban population is 34,800,
constituting about 13% of the total population. In the era of urbanisation, Ramdurg taluk
presents an entirely different scenario, a negative decadal growth of 5% in Urban population.
The taluk has an overall population density of 211 persons per sq.km and showed a
decadal increase of about 13.68% during 2001-2011. 1.3 Rainfall Ramdurg taluk enjoys semi-arid climate. Dryness and hot weather prevails in major part of the
year. The area falls under Northern Dry agro-climatic zone of Karnataka state and is
categorized as drought prone. The climate of the study area is quite agreeable and free from
extremes. The year is usually divided into four seasons: summer from March to May; rainy
season or south-west monsoon season from June to September; post-monsoon season
covering the months of October and November and dry or winter Season from December to February.
The normal annual rainfall in Ramdurg taluk for the period 1981 to 2010 is 545
mm. Seasonal rainfall pattern indicates that, major amount of (326 mm) rainfall is received
during South-West Monsoon seasons, which contributes to about 60% of the annual normal
rainfall, followed by North-East Monsoon season (148 mm) constituting about 27% and remaining (70 mm) 13% during pre-monsoon season (Table-1).
Computations were carried out for the 30 year blocks of 1981- 2010, the mean
monthly rainfall in Ramdurg taluk is ranging between 0 mm during January to 117 mm
during October. The coefficient of variation percent for pre-monsoon, monsoon and post-
monsoon season is 51, 39 and 43 percent respectively. Annual CV at this station works out to
be 26 percent (Table-1).
Table-1: Statistical Analysis of Rainfall Data of Ramdurg Taluk, Belgaum District, Karnataka (1981 to 2010)
Station
JAN FEB MAR APR MAY PRE JUN JUL AUG SEP SW OCT NOV DEC NE Annual